教育研究与其他科学研究一样,由_______________、_____________和_______________三个基本要素组成
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We are looking forward to ___ your L/C for Order No 123.()
A. receive
B. receiveing
C. be received
D. be receiving
_______ for a long time, most of the crops in this area died from lacking water.
A. Being no rain
B. There was no rain
C. To be no rain
D. There being no rain
We ___ you for the special offer you send us.()
A. thank
B. appreciate
C. be grateful
D. beindebted
We trust you will do your best to have this matter __________ right away.()
A. settle
B. to settle
C. settling
D. settled